Configuring Ipv6 Bgp And Igp Route Synchronization - H3C S3610-28P Operation Manual

Operation Manual – IPv6 Routing
H3C S3610&S5510 Series Ethernet Switches
Apply a routing policy to
routes from a peer/peer
group
Specify an ACL to filter
routes imported from a
peer/peer group
Specify an AS path ACL
to filter routing information
imported from a peer/peer
group
Specify an IPv6 prefix list
to filter routing information
imported from a peer/peer
group
Specify the upper limit of
address prefixes imported
from a peer/peer group
Note:
Only routes passing the specified policy can be added into the local IPv6 BGP
routing table.
Members of a peer group can have different inbound route policies.

5.4.6 Configuring IPv6 BGP and IGP Route Synchronization

With this feature enabled and when a non-BGP router is responsible for forwarding
packets in an AS, IPv6 BGP speakers in the AS cannot advertise routing information to
outside ASs unless all routers in the AS know the latest routing information.
By default, when a BGP router receives an IBGP route, it only checks the reachability of
the route's next hop before advertisement. If the synchronization feature is configured,
only the IBGP route is advertised by IGP can the route be advertised to EBGP peers.
Follow these steps to configure IPv6 BGP and IGP route synchronization:
Enter system view
Enter BGP view
To do...
peer { ipv6-group-name |
ipv6-address }
route-policy
route-policy-name import
peer { ipv6-group-name |
ipv6-address }
filter-policy acl6-number
import
peer { ipv6-group-name |
ipv6-address }
as-path-acl
as-path-acl-number
import
peer { ipv6-group-name |
ipv6-address }
ipv6-prefix
ipv6-prefix-name import
peer { ipv6-group-name |
ipv6-address } route-limit
limit [ percentage ]
To do...
system-view
bgp as-number
Use the command...
Use the command...
5-11
Chapter 5 IPv6 BGP Configuration
Remarks
Required
Not applied by default
Required
Not specified by default
Required
Not specified by default
Required
Not specified by default
Optional
By default, no limit on
prefixes
Remarks
—
Required